Crossing and cleaning are completed automatic in computer controlling and the error introduced by decision-maker and condition changing is avoided.

杂交及冲洗在计算机控制下自动完成，避免了人工干预以及环境变化所造成的误差。

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Pipeline Crossing Projects play an important component of Pipeline Construction, most large projects are generally set in rivers, valleys, or where the geological condition is complex.

管道穿跨越工程是管道建设中重要的组成部分，大型跨越工程一般设置在河流，峡谷，或者地质情况较复杂的地方。

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All of the equipments used for crossing are in good condition.

所有由于穿越的设备应状态良好。

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